/* ===== 文章详情页样式 - T1学术严谨 ===== */

/* 文章头部 */
.article-header {
  background: var(--dark-bg);
  padding: 60px 0;
  text-align: center;
}

.article-header h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  font-style: italic;
  margin-bottom: 20px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.4;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 25px;
  flex-wrap: wrap;
}

.article-meta span {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}

/* 文章布局 */
.article-layout {
  max-width: 900px;
  margin: 0 auto;
  padding: 50px 20px;
}

/* 文章内容 - T1学术严谨 */
.article-content {
  background: var(--white);
  border-radius: 16px;
  padding: 50px;
  box-shadow: 0 2px 16px rgba(44, 31, 21, 0.06);
}

.article-content h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--dark-bg);
  font-style: italic;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary);
}

.article-content h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--dark-bg);
  font-style: italic;
  margin: 35px 0 18px;
  padding-left: 15px;
  border-left: 4px solid var(--secondary);
}

.article-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--dark-bg);
  font-style: italic;
  margin: 25px 0 12px;
}

.article-content p {
  font-size: 15px;
  color: var(--text-main);
  font-style: italic;
  line-height: 1.9;
  margin-bottom: 16px;
  text-align: justify;
}

.article-content strong {
  color: var(--dark-bg);
  font-weight: 600;
}

.article-content a {
  color: var(--secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content ul,
.article-content ol {
  margin: 16px 0;
  padding-left: 28px;
}

.article-content li {
  font-size: 15px;
  color: var(--text-main);
  font-style: italic;
  line-height: 1.8;
  margin-bottom: 8px;
}

.article-content blockquote {
  background: var(--light-bg);
  border-left: 4px solid var(--secondary);
  padding: 20px 25px;
  margin: 25px 0;
  border-radius: 0 8px 8px 0;
}

.article-content blockquote p {
  margin-bottom: 0;
  color: var(--text-muted);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 25px 0;
  font-size: 14px;
}

.article-content th {
  background: var(--dark-bg);
  color: var(--primary);
  padding: 12px 15px;
  text-align: left;
  font-style: italic;
  font-weight: 600;
}

.article-content td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--border-color);
  font-style: italic;
}

.article-content tr:nth-child(even) {
  background: var(--light-bg);
}

/* 文章导航 */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
}

.article-nav-item {
  background: var(--white);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 2px 12px rgba(44, 31, 21, 0.06);
  transition: all 0.3s;
}

.article-nav-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(44, 31, 21, 0.1);
}

.article-nav-item.prev {
  text-align: left;
}

.article-nav-item.next {
  text-align: right;
}

.article-nav-label {
  font-size: 12px;
  color: var(--accent);
  font-style: italic;
  margin-bottom: 8px;
  display: block;
}

.article-nav-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--dark-bg);
  font-style: italic;
}

/* 相关推荐 */
.related-section {
  margin-top: 50px;
}

.related-section h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--dark-bg);
  font-style: italic;
  margin-bottom: 25px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.related-item {
  background: var(--white);
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(44, 31, 21, 0.04);
  transition: all 0.3s;
}

.related-item:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 16px rgba(44, 31, 21, 0.1);
}

.related-item a {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark-bg);
  font-style: italic;
  line-height: 1.5;
}

/* 站内链接区 */
.internal-links {
  margin-top: 40px;
  padding: 30px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(44, 31, 21, 0.06);
}

.internal-links h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--dark-bg);
  font-style: italic;
  margin-bottom: 20px;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.links-grid a {
  font-size: 13px;
  color: var(--secondary);
  font-style: italic;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s;
}

.links-grid a:hover {
  color: var(--accent);
  padding-left: 8px;
}

/* 响应式 */
@media (max-width: 768px) {
  .article-header {
    padding: 40px 0;
  }

  .article-header h1 {
    font-size: 22px;
  }

  .article-content {
    padding: 30px 20px;
  }

  .article-content h1 {
    font-size: 22px;
  }

  .article-content h2 {
    font-size: 18px;
  }

  .article-content p {
    font-size: 14px;
  }

  .article-nav {
    grid-template-columns: 1fr;
  }

  .article-nav-item.next {
    text-align: left;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .links-grid {
    grid-template-columns: 1fr;
  }
}